Code #13 - Zero Cross Signal Error - Ricoh A151 Field Service Manual

2.3 CODE #13 — ZERO CROSS SIGNAL ERROR
- Definition -
The CPU does not receive the zero cross signal within 0.56 second.
- Possible Causes -
Defective main board
•
Defective dc power supply board
•
Zero cross line open
•
CN107 on the main board or CN202 on the dc power supply board is
•
not correctly connected.
- Action -
Turn the main switch off and on.
Check that CN107 on the main board and CN202 on the dc power supply
board are correctly connected.
Correct Incorrect
Connect CN107 and CN202
Check the voltage at CN202-2 on the dc power supply board.
0.6 volt 0 volts
Replace the dc power supply board.
Check the voltage at CN107-1 on the main board.
0.6 volt 0 volts
Replace the dc harness.
Replace the main board.
A151/A152 6-28 FSM